What is the puller rods? Tips for use

Crankset bicycle rarely exposed to damage, despite the fact that they account for the highest load. But when it happens in front of the owner of the two-wheeler real problem arises. After dismantle structural element is almost impossible without a special puller rods. What is this tool and how to use it properly? This is what will be discussed in our publication.

What is a stripper?

A stripper rods called a kind of key for performing dismantling hard elements in the block where the caret is located. The shaft rod is fixed powerful bolt coupling. Unscrew it is quite simple. However, the difficulty lies in connecting the connecting rod to the shaft by means of a small stretch of a cone fit. The latter eventually take a strong liking to the other parts. Therefore, when removing difficult to do without the puller rods.

What is the tool? Puller bicycle rods represented as a cylinder with a multi-head, a female sharpened and spanner. The design contains a tricky nut which has internal and external threads. To understand in words is quite difficult in the matter. Therefore, to understand what constitutes a stripper, just look at the photos in our article tools.

In some situations, you may need to crank puller bike?

The connecting rod is a part that does not need any care and regular maintenance. Dismantling of the component may be performed only when it is mechanically damaged and need repair or replacement carriage chainrings. Occasionally to use the puller rods have to resort when, after riding in the rain there is a nasty crunching sound. In this situation, can not do without disassembling the shaft and clean the seat. to get to the desired area with a view to the lubrication will be difficult without a stripper to remove the rods.

Features of the application of the

Before you begin any of the works with the help of a stripper, you must remove the plastic cap covering the connecting rod nut. When the compounds in this location rusted and baked onto the shaft, fixing means need processing WD-40 or kerosene. Such training to perform work not allow derail the thread.

Getting screwing a stripper into the mix, you need to make sure that the screw-plunger, abuts the end of the shaft, without obstacles boarding passes in the opening of the connecting rod. If you do not pay attention to the specified time, the instrument may not start to squeeze the shaft rod, and the rod of himself. The consequence will be the damage to the thread.

Unscrewing the bolt holding the item on the shaft must be screwed fully into stripper rod. Next, the pusher must be rotated tool. Then will pull the rod to the shaft on which he was held. This may require considerable effort. Sitting tight detail should warm up, taking advantage of building a hair dryer, hot water or burner. Such a decision would greatly facilitate the task. However, it is recommended to act very carefully. After the hot water can fill the bearing block arranged in the carriage, and a hairdryer and burner damage the paint on the bicycle frame.

How to remove the rod without the use of a stripper?

If unavailable, a special tool you can try to perform an operation by resorting to the following actions:

Use a sledgehammer, covering her arm segment of dense material. Then enough to strike the instrument with something heavy. It should be noted that the chances to remove the connecting rod in such a way low. It is much more likely to spoil the carriage bearings, rather than to achieve the desired goal of the data path. However, the method still has the right to life.
A more effective and safe option - processing attachments in the same kerosene or WD-40 means. Then enough to go to a little trip to the unscrewed screws. To load a method, it is recommended to expose the connecting rods maximum loads.
A proven method that allows to achieve the goal, advocates the implementation of cutting grinder on the sleeve of the connecting rod. Further detail will finish with a hammer and break. The only negative point in this method advocates that the rod after such manipulations have to send to the scrap.

Finally,

As can be seen, the puller rods is a pretty useful tool, which is much easier life when performing repairs or routine maintenance of the bike. Naturally, you can eliminate the use of tools by resorting to radical measures aimed at dismantling parts. However, in such cases, there is no guarantee that the situation will not worsen further. In order not to damage the unit, which is connected to the crank shaft, enough to buy or rent a stripper tool in the near bicycle shop.